condition mean min max 12pM Fe,Midday 82.6966 82.6966 82.6966 12pM Fe,Midnight 86.6873 79.0011 94.3735 58pM Fe,Midday 58.142 58.142 58.142 58pM Fe,Midnight 52.207728571428575 0.0 81.7519 233pM Fe,Midnight 52.3893 50.5028 55.2031 1160pM Fe,Midday 51.10755714285714 46.4577 56.985 1160pM Fe,Midnight 74.134175 56.0043 89.1616 High carbon,Dark 236.22287333333333 35.1555 1075.76 High carbon,Light 177.25057692307692 55.0043 473.621 Low carbon,Dark 113.545 113.545 113.545 Phloroglucinol 181.50333333333333 160.289 203.664 Silicon starvation,12h 275.563 275.563 275.563